The Monitor Audio Radius 3 4G is a compact high-performance loudspeaker designed to deliver detailed, high-fidelity sound for music, TV, movies, gaming and multi-room audio systems. Its 4.5-inch C-CAM RST III bass-mid driver and 25 mm C-CAM Gold Dome tweeter provide precise vocals, controlled bass and clear high frequencies, while HiVe II port technology enhances airflow and low-frequency performance. With flexible wall, desktop or floor-stand installation, the Radius 3 4G combines premium British engineering with a discreet design suited to modern home audio and entertainment systems.
Monitor Audio Radius 3 4G – Black
€675
In stock
In stock
Description
Monitor Audio Radius 3 4G
Radius 3 4G is a high-performance mini-monitor delivering precise, high-fidelity sound for TV, film, music, gaming and multi-room applications, including discreet commercial installations. Featuring a 4.5-inch C-CAM driver with RST III geometry and a 25 mm C-CAM Gold Dome tweeter, each powered by its own optimised motor system, it combines impressive sonic performance with exceptional versatility, supporting desktop, floor-stand or wall-mount installation.
“Clearly the best of Monitor Audio’s long line of small speakers so far.”
Design-Led Compact Performance
A high-performance mini-monitor of remarkable versatility, the Radius 3 4G delivers precise, high-fidelity sound across TV, film, music, gaming and multi-room applications, equally at home in discreet residential or commercial installations.
Its 4.5-inch C-CAM RST III bass/mid driver, paired with a 25 mm C-CAM Gold Dome Tweeter, each powered by its own optimised motor system, produces expansive, detailed sound far beyond what its compact dimensions suggest. Through-bolt driver bracing, HiVe II port technology and a precision-engineered crossover work in unison to deliver tight bass, controlled dispersion and exceptional clarity throughout the frequency range.
Flexible mounting options – a wall, desktop or floor stand- make integration effortless in any environment. Pair with a Monitor Audio subwoofer to unlock truly full-range performance.
How Your Reviews Drive Monitor Audio's Excellence
At Monitor Audio, we strive for audio excellence, and your feedback on Trustpilot is crucial to our journey. In today’s market, trust is built on authentic experiences. Your reviews provide invaluable insights for potential customers, guiding them towards the superior, high-fidelity sound and quality, that Monitor Audio delivers. By sharing your thoughts, you directly influence our commitment to continuous improvement, helping us refine our products and services to meet your highest expectations.
Technical Specs
| System Format | 2-Way |
| Sensitivity (2.83 Vrms @ 1m, Installed) | N/A |
| Maximum Peak SPL (AES75, Z-weighted) | 107 dB |
| Bass Alignment | Ported |
| Drive Unit Complement |
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| Weight (each) | 3.7 kg (8 lb 3 oz) |
| Compatible MAG Brackets | FIX-M |
| Frequency Response, In-Room (-6dB) | 44 Hz — 35 kHz |
| Nominal Impedance | 8 Ohms |
| Continuous Power Handling (CTA 426-B) | 75 W |
| Sensitivity (2.83 Vrms @ 1m, Free-Field) | 84 dB |
| Minimum Impedance (20 Hz to 20 kHz) | 4 Ohms @ 250 Hz |
| Recommended Amplifier Power (RMS, Music Signal) |
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| Crossover Frequency | LF/HF: 2.7 kHz |
| External Dimensions with all accessories fitted (H x W x D) | 255 x 150 x 201 mm (101/16 x 57/8 x 715/16“) |
| Warranty | 5 Years |
Additional information
| Brand | Monitor Audio |
|---|---|
| Speaker Type | Bookshelf / Wall-Mounted |
